the obama administration had promised the fixes by this past weekend. congress is watching closely, because the success or failure of healthcare reform is expected to be a critical factor in next year's midterm elections. already the botched rollout has put enrollment rates far below white house targets. consumers now have just a few weeks to sign up for coverage to begin on january 1. to handle the surge, the technology team is scrambling to make more upgrades to the website and warns too much traffic could still overwhelm the system. tara mergener, for cbs news, washington. >> the technology team is scrambling to fix glitches in what is known as the back end of the system, meaning the part of the website that delivers consumer information to insurers. >>> federal investigators from the national transportation safety board will spend the next two days interviewing the crew and passengers who are on the commuter train that jumped the tracks in new york city, killing four people. speed may have been a factor. but as marley hall reports, investigators say